Nested and Inner Type Summary

Modifier and Type	Class and Description
public static class	OpenSSLMessageDigestJDK.MD5
public static class	OpenSSLMessageDigestJDK.SHA1
public static class	OpenSSLMessageDigestJDK.SHA224
public static class	OpenSSLMessageDigestJDK.SHA256
public static class	OpenSSLMessageDigestJDK.SHA384
public static class	OpenSSLMessageDigestJDK.SHA512

Field Summary

Modifier and Type	Field and Description
private final NativeRef.EVP_MD_CTX	ctx
private boolean	digestInitializedInContext Whether the digest struct has been initialized inside EVP_MD_CTX.
private final long	evp_md Holds the EVP_MD for the hashing algorithm, e.g. EVP_get_digestbyname("sha1");
private final byte[]	singleByte Holds a dummy buffer for writing single bytes to the digest.
private final int	size Holds the output size of the message digest.

Constructor Summary

Access	Constructor and Description
private	OpenSSLMessageDigestJDK(long evp_md, int size) Creates a new OpenSSLMessageDigest instance for the given algorithm name.
private	OpenSSLMessageDigestJDK(long evp_md, int size, NativeRef.EVP_MD_CTX ctx, boolean digestInitializedInContext)

Method Summary

Modifier and Type	Method and Description
public Object	clone() Overrides java.security.MessageDigestSpi.clone. Returns a clone if the implementation is cloneable.
protected synchronized byte[]	engineDigest() Implements abstract java.security.MessageDigestSpi.engineDigest. Completes the hash computation by performing final operations such as padding.
protected int	engineGetDigestLength() Overrides java.security.MessageDigestSpi.engineGetDigestLength. Returns the digest length in bytes.
protected synchronized void	engineReset() Implements abstract java.security.MessageDigestSpi.engineReset. Resets the digest for further use.
protected synchronized void	engineUpdate(byte the byte to use for the update. input) Implements abstract java.security.MessageDigestSpi.engineUpdate. Updates the digest using the specified byte.
protected synchronized void	engineUpdate(byte[] the array of bytes to use for the update. input, int the offset to start from in the array of bytes. offset, int the number of bytes to use, starting at `offset`. len) Implements abstract java.security.MessageDigestSpi.engineUpdate. Updates the digest using the specified array of bytes, starting at the specified offset.
protected synchronized void	engineUpdate(ByteBuffer the ByteBuffer input) Overrides java.security.MessageDigestSpi.engineUpdate. Update the digest using the specified ByteBuffer.
private synchronized void	ensureDigestInitializedInContext()

Inherited from java.security.MessageDigestSpi:: engineDigest

Field Detail

ctx	back to summary
private final NativeRef.EVP_MD_CTX ctx

digestInitializedInContext	back to summary
private boolean digestInitializedInContext Whether the digest struct has been initialized inside EVP_MD_CTX.

evp_md	back to summary
private final long evp_md Holds the EVP_MD for the hashing algorithm, e.g. EVP_get_digestbyname("sha1");

singleByte	back to summary
private final byte[] singleByte Holds a dummy buffer for writing single bytes to the digest.

size	back to summary
private final int size Holds the output size of the message digest.

Constructor Detail

OpenSSLMessageDigestJDK	back to summary
private OpenSSLMessageDigestJDK(long evp_md, int size) throws NoSuchAlgorithmException Creates a new OpenSSLMessageDigest instance for the given algorithm name.

OpenSSLMessageDigestJDK	back to summary
private OpenSSLMessageDigestJDK(long evp_md, int size, NativeRef.EVP_MD_CTX ctx, boolean digestInitializedInContext)

Method Detail

clone	back to summary
public Object clone() Overrides java.security.MessageDigestSpi.clone. Doc from java.security.MessageDigestSpi.clone. Returns a clone if the implementation is cloneable. Returns:Object a clone if the implementation is cloneable. Annotations @Override

clone

back to summary

public Object clone()

Overrides java.security.MessageDigestSpi.clone.

Doc from java.security.MessageDigestSpi.clone.

Returns a clone if the implementation is cloneable.

Returns:Object

a clone if the implementation is cloneable.

Annotations

@Override

engineDigest back to summary

engineDigest	back to summary
protected synchronized byte[] engineDigest() Implements abstract java.security.MessageDigestSpi.engineDigest. Doc from java.security.MessageDigestSpi.engineDigest. Completes the hash computation by performing final operations such as padding. Once `engineDigest` has been called, the engine should be reset (see `engineReset`). Resetting is the responsibility of the engine implementor. Returns:byte[] the array of bytes for the resulting hash value. Annotations @Override

protected synchronized byte[] engineDigest()

Implements abstract java.security.MessageDigestSpi.engineDigest.

Doc from java.security.MessageDigestSpi.engineDigest.

Completes the hash computation by performing final operations such as padding. Once engineDigest has been called, the engine should be reset (see engineReset). Resetting is the responsibility of the engine implementor.

Returns:byte[]

the array of bytes for the resulting hash value.

Annotations

@Override

engineGetDigestLength	back to summary
protected int engineGetDigestLength() Overrides java.security.MessageDigestSpi.engineGetDigestLength. Doc from java.security.MessageDigestSpi.engineGetDigestLength. Returns the digest length in bytes. This concrete method has been added to this previously-defined abstract class. (For backwards compatibility, it cannot be abstract.) The default behavior is to return 0. This method may be overridden by a provider to return the digest length. Returns:int the digest length in bytes. Annotations @Override

engineGetDigestLength

back to summary

protected int engineGetDigestLength()

Overrides java.security.MessageDigestSpi.engineGetDigestLength.

Doc from java.security.MessageDigestSpi.engineGetDigestLength.

Returns the digest length in bytes.

This concrete method has been added to this previously-defined abstract class. (For backwards compatibility, it cannot be abstract.)

The default behavior is to return 0.

This method may be overridden by a provider to return the digest length.

Returns:int

the digest length in bytes.

Annotations

@Override

engineReset	back to summary
protected synchronized void engineReset() Implements abstract java.security.MessageDigestSpi.engineReset. Doc from java.security.MessageDigestSpi.engineReset. Resets the digest for further use. Annotations @Override

engineReset

back to summary

protected synchronized void engineReset()

Implements abstract java.security.MessageDigestSpi.engineReset.

Doc from java.security.MessageDigestSpi.engineReset.

Resets the digest for further use.

Annotations

@Override

engineUpdate	back to summary
protected synchronized void engineUpdate(byte input) Implements abstract java.security.MessageDigestSpi.engineUpdate. Doc from java.security.MessageDigestSpi.engineUpdate. Updates the digest using the specified byte. Parameters input:byte the byte to use for the update. Annotations @Override

engineUpdate

back to summary

protected synchronized void engineUpdate(byte input)

Implements abstract java.security.MessageDigestSpi.engineUpdate.

Doc from java.security.MessageDigestSpi.engineUpdate.

Updates the digest using the specified byte.

Parameters

input:byte: the byte to use for the update.

Annotations

@Override

engineUpdate back to summary

engineUpdate	back to summary
protected synchronized void engineUpdate(byte[] input, int offset, int len) Implements abstract java.security.MessageDigestSpi.engineUpdate. Doc from java.security.MessageDigestSpi.engineUpdate. Updates the digest using the specified array of bytes, starting at the specified offset. Parameters input:byte[] the array of bytes to use for the update. offset:int the offset to start from in the array of bytes. len:int the number of bytes to use, starting at `offset`. Annotations @Override

protected synchronized void engineUpdate(byte[] input, int offset, int len)

Implements abstract java.security.MessageDigestSpi.engineUpdate.

Doc from java.security.MessageDigestSpi.engineUpdate.

Updates the digest using the specified array of bytes, starting at the specified offset.

Parameters

input:byte[]: the array of bytes to use for the update.
offset:int: the offset to start from in the array of bytes.
len:int: the number of bytes to use, starting at offset.

Annotations

@Override

engineUpdate back to summary

engineUpdate	back to summary
protected synchronized void engineUpdate(ByteBuffer input) Overrides java.security.MessageDigestSpi.engineUpdate. Doc from java.security.MessageDigestSpi.engineUpdate. Update the digest using the specified ByteBuffer. The digest is updated using the `input.remaining()` bytes starting at `input.position()`. Upon return, the buffer's position will be equal to its limit; its limit will not have changed. Parameters input:ByteBuffer the ByteBuffer Annotations @Override

protected synchronized void engineUpdate(ByteBuffer input)

Overrides java.security.MessageDigestSpi.engineUpdate.

Doc from java.security.MessageDigestSpi.engineUpdate.

Update the digest using the specified ByteBuffer. The digest is updated using the input.remaining() bytes starting at input.position(). Upon return, the buffer's position will be equal to its limit; its limit will not have changed.

Parameters